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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Bottura, L. Buzio, M. Galbraith, P. Masi, A. Thierry, F. Tikhov, A. |
| Copyright Year | 2006 |
| Description | Author affiliation: CERN, Geneva (Bottura, L.; Buzio, M.; Galbraith, P.; Masi, A.; Thierry, F.; Tikhov, A.) |
| Abstract | In this paper a new measurement system for the polarity check of all the superconducting magnets that will compose the Large Hadron Collider (LHC) is described. The polarity checker is a scanning probe that, thanks to a rotating Hall plate, performs a complete local analysis of the magnet under test. By Fourier analysis of the radial component of the magnetic field picked up by the Hall sensor, the instrument identifies the magnet order and type, the field polarity, and provides the transfer function of the main harmonic and an estimation of the magnetic field angle. After the description of the measurement principle, the hardware and the software of the instrument are detailed. Particular attention is devoted to the metrological characterization and the correction of deterministic errors in order to ensure a polarity measurement practically error free on all the magnet types |
| Starting Page | 55 |
| Ending Page | 60 |
| File Size | 396178 |
| Page Count | 6 |
| File Format | |
| ISBN | 0780393597 |
| ISSN | 10915281 |
| DOI | 10.1109/IMTC.2006.328173 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-04-24 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Superconducting magnets Magnetic field measurement Magnetic sensors Large Hadron Collider Magnetic analysis Instruments Error correction Probes Performance evaluation Performance analysis field polarity harmonic magnetic measurement superconducting accelerator magnets rotating Hall sensor |
| Content Type | Text |
| Resource Type | Article |
| Subject | Instrumentation Electrical and Electronic Engineering |
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